{"id":"CVE-2011-2512","aliases":["DEBIAN-CVE-2011-2512","DSA-2270-1","EUVD-2011-2497","GHSA-g293-9rv5-w2qx","RHSA-2011:0919","SUSE-SU-2015:0929-1"],"status":"published","title":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue...","description":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.","severity":{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01882,"percentile":0.79599,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2011-07-01T00:00:00Z","modified":"2026-06-16T23:31:29Z","fixes":[{"ecosystem":"Debian:6.0","package":"qemu-kvm","fixed_in":["0.12.5+dfsg-5+squeeze4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"qemu-kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.5+dfsg-5+squeeze4"}]}],"versions":["0.12.5+dfsg-5","0.12.5+dfsg-5+squeeze1","0.12.5+dfsg-5+squeeze2","0.12.5+dfsg-5+squeeze3","0.12.5+dfsg-5+squeeze4~bpo50+1"]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"qemu-img","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.12.1.2-2.160.el6_1.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"qemu-kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.12.1.2-2.160.el6_1.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"qemu-kvm-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.12.1.2-2.160.el6_1.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"qemu-kvm-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.12.1.2-2.160.el6_1.2"}]}],"bundled":2}],"products":[{"vendor":"kvm_group","product":"qemu-kvm"}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2011-0919.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://secunia.com/advisories/45170","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2011/06/28/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/44648","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2011/06/29/15","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/45301","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/45158","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.osvdb.org/74751","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/44458","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://ubuntu.com/usn/usn-1165-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://www.debian.org/security/2011/dsa-2270","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred"]},{"url":"https://hermes.opensuse.org/messages/9605323","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=7157e2e23e89adcd436caeab31fdd6b47eded377","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2512","tags":["advisory"]},{"url":"http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commitdiff;h=7157e2e23e89adcd436caeab31fdd6b47eded377"},{"url":"https://github.com/advisories/GHSA-g293-9rv5-w2qx"},{"url":"https://access.redhat.com/errata/RHSA-2011:0919","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=713589","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=717399","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0919.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2212","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2212","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2212","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-2512","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-2512","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20150929-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/598271","tags":["report"]},{"url":"https://bugzilla.suse.com/598298","tags":["report"]},{"url":"https://bugzilla.suse.com/599095","tags":["report"]},{"url":"https://bugzilla.suse.com/603161","tags":["report"]},{"url":"https://bugzilla.suse.com/603179","tags":["report"]},{"url":"https://bugzilla.suse.com/610682","tags":["report"]},{"url":"https://bugzilla.suse.com/619991","tags":["report"]},{"url":"https://bugzilla.suse.com/621793","tags":["report"]},{"url":"https://bugzilla.suse.com/626654","tags":["report"]},{"url":"https://bugzilla.suse.com/637297","tags":["report"]},{"url":"https://bugzilla.suse.com/689895","tags":["report"]},{"url":"https://bugzilla.suse.com/690781","tags":["report"]},{"url":"https://bugzilla.suse.com/695510","tags":["report"]},{"url":"https://bugzilla.suse.com/695766","tags":["report"]},{"url":"https://bugzilla.suse.com/698237","tags":["report"]},{"url":"https://bugzilla.suse.com/701161","tags":["report"]},{"url":"https://bugzilla.suse.com/702823","tags":["report"]},{"url":"https://bugzilla.suse.com/704933","tags":["report"]},{"url":"https://bugzilla.suse.com/705095","tags":["report"]},{"url":"https://bugzilla.suse.com/705304","tags":["report"]},{"url":"https://bugzilla.suse.com/740165","tags":["report"]},{"url":"https://bugzilla.suse.com/764526","tags":["report"]},{"url":"https://bugzilla.suse.com/777084","tags":["report"]},{"url":"https://bugzilla.suse.com/877642","tags":["report"]},{"url":"https://bugzilla.suse.com/877645","tags":["report"]},{"url":"https://bugzilla.suse.com/929339","tags":["report"]},{"url":"https://bugzilla.suse.com/932770","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1750","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1751","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-2212","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-2512","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-2527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2652","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3515","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0223","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3209","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3456","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2011-2512","description":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.","status":"published","published":"2012-06-21T15:00:00Z","modified":"2024-08-06T23:00:34.246Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2497","description":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.","status":"published","published":"2012-06-21T15:00:00Z","modified":"2024-08-06T23:00:34Z","updated_at":"2026-11-03T01:39:55.659728Z"}],"ghsa":[{"id":"GHSA-g293-9rv5-w2qx","title":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue...","description":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.","status":"published","published":"2022-05-17T03:23:42Z","modified":"2023-02-20T05:06:35Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:54:11.398505Z"}],"nvd":[{"id":"CVE-2011-2512","description":"The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison.","status":"published","published":"2012-06-21T15:55:09.74Z","modified":"2026-06-16T23:31:29.383Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"DSA-2270-1","title":"qemu-kvm - programming error","status":"published","published":"2011-07-01T00:00:00Z","modified":"2026-03-09T01:20:41.290119Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"RHSA-2011:0919","title":"Red Hat Security Advisory: qemu-kvm security and bug fix update","status":"published","published":"2024-09-15T19:15:14Z","modified":"2025-11-22T10:32:09Z","updated_at":"2026-11-02T15:53:01.003286Z"},{"id":"SUSE-SU-2015:0929-1","title":"Security update for kvm","description":"\nThe kvm qemu vt100 emulation was affected by a problem where specific vt100 \nsequences could have been used by guest users to affect the host. \n(CVE-2012-3515 aka XSA-17).\n\nAlso a temp file race was fixed. (CVE-2012-2652)\n\nSecurity Issue reference:\n\n    * CVE-2012-3515\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3515\u003e\n    * CVE-2012-2652\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2652\u003e\n\n","status":"published","published":"2012-08-31T14:36:20Z","modified":"2026-02-04T03:38:26.839919Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}